Friendship

The Dursleys were so mean and hideous that summer that all Harry Potter wanted was to get back to the Hogwarts School for Witchcraft and Wizardry. But just as he's packing his bags, Harry receives a warning from a strange, impish creature named Dobby who says that if Harry Potter returns to Hogwarts, disaster will strike.

It's the pivotal fourth novel in the seven-part tale of Harry Potter's training as a wizard and his coming of age. Harry wants to get away from the pernicious Dursleys and go to the International Quidditch Cup with Hermione, Ron, and the Weasleys. He wants to dream about Cho Chang, his crush (and maybe do more than dream).

The war against Voldemort is not going well: even Muggle governments are noticing. Ron scans the obituary pages of The Daily Prophet looking for familiar names. Dumbledore is absent from Hogwarts for long stretches of time, and the Order of the Phoenix has already suffered losses. And yet …

As his fifth year at Hogwarts School of Witchcraft and Wizardry approaches, 15-year-old Harry Potter is in full-blown adolescence, complete with regular outbursts of rage, a nearly debilitating crush, and the blooming of a powerful sense of rebellion.

For twelve long years, the dread fortress of Azkaban held an infamous prisoner named Sirius Black. Convicted of killing 13 people with a single curse, he was said to be the heir apparent to the Dark Lord, Voldemort.

Harry Potter has never been the star of a Quidditch team, scoring points while riding a broom far above the ground. He knows no spells, has never helped to hatch a dragon, and has never worn a cloak of invisibility.